发明名称 EASY TO OPEN PACKAGE.
摘要 The invention provides a package which is easily opened, wherein an article is enclosed between a lower thermoplastic continuous strip having an aperture (1) and a rim (4) formed in the aperture periphery, and an upper thermoplastic continuous strip (7) superimposed thereon, which is sealed with the lower continuous strip in a sealing region comprising the peripheral rim, the package being characterized in that the lower thermoplastic continuous strip has at least a recess (6) in a marginal zone of the peripheral rim, which provides a non-adhesion area (8) to the upper continuous strip which can be grasped with the fingers to initiate the package opening.
申请公布号 MX9602355(A) 申请公布日期 1998.01.31
申请号 MX19960002355 申请日期 1996.06.14
申请人 W. R. GRACE & CO.-CONN. 发明人 BERNARD CHAPPUIS;JOERG STAEMPFLI
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